Rakyat88

Post-COVID syndrome (PCS) is characterized by a variety of persistent symptoms following SARS-CoV-2 infection, including fatigue among others. Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a related neurological disorder primarily characterized by severe fatigue and post-exertional malaise. This exploratory study aimed to assess hand grip strength (HGS) in individuals with PCS to evaluate muscular performance and fatigability and to explore potential HGS-derived parameters associated with PCS. HGS was measured in 19 hospital employees with PCS (mean age 47.8; 89.5% female; 7 fulfilling ME/CFS criteria) and compared with 23 healthy controls (mean age 43.7; 69.6% female). Measurements were performed in two sessions separated by 60 min, each consisting of ten consecutive HGS measurements. Linear mixed model analysis indicated that HGS tended to be lower in PCS at specific measurement points, although no consistent overall group effect was observed. HGS was reduced in the second session in PCS but not in controls, suggesting possible alterations in recovery following repeated exertion. Exploratory analysis of 30 HGS-derived parameters using logisitic regression models in female participants identified parameters based on maximum, minimum, and mean force values as showing the most promising discriminatory patterns: however, predictive performace was moderate and should be interpreted with caution. Overall, HGS may provide insights into funcitional impairment in PCS and could serve as a supportive adjunct in clinical assessment, although its diagnostic utility requires validation in larger cohorts.

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